MIDDLESEX EYE PHYSICIANS P.C.
NPI 1942010665
Ophthalmology in East Haven, CT

NPI Status: Active since January 14, 2025

Contact Information

610 FOXON RD
EAST HAVEN, CT
ZIP 06513
Phone: (203) 468-8800
Fax: (203) 458-9456

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  • Organization
  • Ophthalmology

About MIDDLESEX EYE PHYSICIANS P.C.

This page provides the complete NPI Profile along with additional information for Middlesex Eye Physicians P.c., a provider established in East Haven, Connecticut operating as a Ophthalmology. The healthcare provider is registered in the NPI registry with number 1942010665 assigned on January 2025. The practitioner's primary taxonomy code is 207W00000X. The provider is registered as an organization and their NPI record was last updated one year ago. Middlesex Eye Physicians P.c. operates as a Multi-Specialty Group with one or more individual practitioners, who practice different areas of specialization. The authorized official of this NPI record is Kristy G Mascarenhas Md (Ophthalmologist)

NPI
1942010665
Provider Name
MIDDLESEX EYE PHYSICIANS P.C.
Entity Type
Organization
Location Address
610 FOXON RD EAST HAVEN, CT 06513
Location Phone
(203) 468-8800
Location Fax
(203) 458-9456
Mailing Address
400 SAYBROOK RD STE 100 MIDDLETOWN, CT 06457
Mailing Phone
(860) 347-7466
Is Sole Proprietor?
No
Is Organization Subpart?
Yes
Enumeration Date
01-14-2025
Last Update Date
01-14-2025
Code Navigator

Ophthalmologists like Middlesex Eye Physicians P.c. specialize in diagnosing and treating eye conditions. They may perform surgeries to correct vision issues or prevent vision loss due to diseases like glaucoma. Additionally, they can provide eyeglasses, prescribe contact lenses, and offer other vision-related services.

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Specialty - Primary Taxonomy

The NPI enumerator requires providers to submit at least one taxonomy code. A taxonomy code is a unique 10-character code that describes the healthcare provider type, classification, and the area of specialization. There could be only one primary taxonomy code per NPI record. For individual NPIs the license data is associated to the taxonomy code.

Classification

Ophthalmology

Taxonomy Code
207W00000X
Type
Allopathic & Osteopathic Physicians
Taxonomy Description
An ophthalmologist has the knowledge and professional skills needed to provide comprehensive eye and vision care. Ophthalmologists are medically trained to diagnose, monitor and medically or surgically treat all ocular and visual disorders. This includes problems affecting the eye and its component structures, the eyelids, the orbit and the visual pathways. In so doing, an ophthalmologist prescribes vision services, including glasses and contact lenses.

Secondary Taxonomies

The provider has reported to the NPI enumerator additional taxonomy codes. Multiple taxonomy codes may represent subspecialties or other areas of specialization the provider maybe licensed to practice.

No. Taxonomy Code Type Classification /
Specialization
License No. (State)
1152W00000XEye and Vision Services Providers

Optometrist

 

Group Taxonomy 193200000X MULTI-SPECIALTY GROUP

This provider is a business group of one or more individual practitioners, who practice with different areas of specialization.

Authorized Official

The authorized official is the designated individual with the legal authority to make changes to the provider’s official NPI record. For organizations, the authorized official must be a general partner, chairman of the board, CEO, CFO or a direct owner holding at least a 5 percent stake in the medical organization.

Authorized Official Name

KRISTY G MASCARENHAS MD

Authorized Official Title
OPHTHALMOLOGIST
Authorized Official Phone
(860) 347-7466

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NPI NPI Number Validation

How NPI Validation Works

The NPI validation process uses the ISO-standard Luhn algorithm, a mathematical "handshake", to ensure that a provider's 10-digit ID is authentic and free of common typing errors.

To verify the NPI 1942010665, we treat the final digit (5) as the Check Digit—the target answer we need to reach. The process begins by taking the first nine digits and adding a constant value of 24, which accounts for the "80840" prefix required for all U.S. health identifiers. We then double every other digit starting from the right and sum the individual digits of those results together. For this specific NPI, that total comes to 55. The final step is to find the difference between that total and the next multiple of ten (60 - 55 = 5).

Digit-by-digit view

Use the first nine digits for the calculation. Starting from the right, double every other digit. The last digit is the check digit and is not part of the calculation.

Pos 1
1
Doubled → 2
Pos 2
9
Unchanged
Pos 3
4
Doubled → 8
Pos 4
2
Unchanged
Pos 5
0
Doubled → 0
Pos 6
1
Unchanged
Pos 7
0
Doubled → 0
Pos 8
6
Unchanged
Pos 9
6
Doubled → 12 → 1 + 2
Check
5
Target digit
Regular digit Doubled digit Check digit

Step 1: Double every other digit from the right

Starting with the rightmost digit of the first nine digits, double every other value. If doubling creates a two-digit number, add those digits together.

1 → 2 4 → 8 0 → 0 0 → 0 6 → 12 → 3

Step 2: Add all digits plus the NPI constant

Add the transformed values, the unchanged digits, and the constant 24.

2 + 9 + 8 + 2 + 0 + 1 + 0 + 6 + 1 + 2 + 24 = 55

Step 3: Find the amount needed to reach the next multiple of 10

The next multiple of ten after 55 is 60. The difference is the calculated check digit.

60 - 55 = 5
This NPI is valid
The calculated check digit is 5, which matches the last digit of 1942010665.

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1942010665, enumerated as an "organization" on January 14, 2025.

The provider is located at 610 FOXON RD EAST HAVEN, CT 06513 and the phone number is (203) 468-8800.

Ophthalmology with taxonomy code 207W00000X.